Search Results - "Langdon, AB"

Evolution of Particle-in-Cell Plasma Simulation by Langdon, A. Bruce

“…Particle-in-cell (PIC) methods first made it feasible to simulate plasmas and microwave devices in two dimensions on 1960s computers. In this approach, the…”
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Intense high-energy proton beams from Petawatt-laser irradiation of solids by Snavely, R A, Key, M H, Hatchett, S P, Cowan, T E, Roth, M, Phillips, T W, Stoyer, M A, Henry, E A, Sangster, T C, Singh, M S, Wilks, S C, MacKinnon, A, Offenberger, A, Pennington, D M, Yasuike, K, Langdon, A B, Lasinski, B F, Johnson, J, Perry, M D, Campbell, E M

“…An intense collimated beam of high-energy protons is emitted normal to the rear surface of thin solid targets irradiated at 1 PW power and peak intensity…”
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An object-oriented electromagnetic PIC code by Verboncoeur, J.P., Langdon, A.B., Gladd, N.T.

“…The object-oriented paradigm provides an opportunity for advanced PIC modeling, increased flexibility, and extensibility. Particle-in-cell codes for simulating…”
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Absorption of ultra-intense laser pulses by WILKS, S. C, KRUER, W. L, TABAK, M, LANGDON, A. B

“…Simulations are used to investigate the interaction of ultra-intense laser pulses with a plasma. With an intensity greater than 10 exp 18 W/sq cm these pulses…”
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Nonlinear evolution of stimulated scatter in high-temperature plasmas by Langdon, A B, Hinkel, D E

“…Simulations of laser-plasma interactions show saturation of Raman scattering through novel subsequent Brillouin and Raman rescattering instabilities. This…”
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Observation of saturation of energy transfer between copropagating beams in a flowing plasma by Kirkwood, R K, Moody, J D, Langdon, A B, Cohen, B I, Williams, E A, Dorr, M R, Hittinger, J A, Berger, R, Young, P E, Suter, L J, Divol, L, Glenzer, S H, Landen, O L, Seka, W

“…Experiments demonstrate energy and power transfer between copropagating, same frequency, beams crossing at a small angle in a plasma with a Mach 1 flow. The…”
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Simulations of electron transport for fast ignition using LSP by Town, R.P.J., Chen, C., Cottrill, L.A., Key, M.H., Kruer, W.L., Langdon, A.B., Lasinski, B.F., Snavely, R.A., Still, C.H., Tabak, M., Welch, D.R., Wilks, S.C.

“…A crucial issue for the viability of the fast ignition approach to inertial fusion energy is the transport of the ignition pulse energy from the critical…”
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Improved modeling of chamber transport for heavy-ion fusion by Sharp, W.M., Callahan-Miller, D.A., Langdon, A.B., Armel, M.S., Vay, J.-L.

“…Beams for heavy-ion fusion are likely to require at least partial neutralization in a target chamber. Several mechanisms that help neutralize a converging…”
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Influence of spatial and temporal laser beam smoothing on stimulated brillouin scattering in filamentary laser light by Berger, RL, Lasinski, BF, Langdon, AB, Kaiser, TB, Afeyan, BB, Cohen, BI, Still, CH, Williams, EA

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Structure of relativistic magnetosonic shocks in electron-positron plasmas by BRUCE LANGDON, A, ARONS, J, MAX, C. E

“…The one-dimensional structure of high-Mach-number, transverse magnetosonic, relativistic shocks is studied computationally by kinetic, particle-in-cell…”
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Nonlinear theory and simulations of stimulated Brillouin backscatter in multispecies plasmas by Wilks, SC, Kruer, WL, Denavit, J, Estabrook, K, Hinkel, DE, Kalantar, D, Langdon, AB, MacGowan, B, Montgomery, DS, Williams, EA

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Transverse-longitudinal temperature equilibration in a long uniform beam by Haber, I., Callahan, D.A., Friedman, A., Grote, D.P., Langdon, A.B.

“…Computer simulations are employed to examine the transfer of transverse thermal energy to the longitudinal direction via a collective electrostatic instability…”
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Correction factors for PIC accumulation on radial grids by Larson, David J., Hewett, Dennis W., Langdon, A.Bruce

“…We show that use of linear weighting, the most common method of interpolating particle quantities to a spatial grid, produces errors in the accumulated…”
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Influence of Spatial and Temporal Laser Beam Smoothing on Stimulated Brillouin Scattering in Filamentary Laser Light by Berger, R. L., Lasinski, B. F., Langdon, A. B., Kaiser, T. B., Afeyan, B. B., Cohen, B. I., Still, C. H., Williams, E. A.

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Implicit plasma simulation by Langdon, A. Bruce

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Self-Modulation and Self-Focusing of Electromagnetic Waves in Plasmas by Max, Claire Ellen, Arons, Jonathan, Langdon, A. Bruce

“…The nonlinear frequency shift of a strong electromagnetic wave in a plasma, due to weak relativistic effects and the v x B force, can cause modulation and…”
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The potential of fast ignition and related experiments with a petawatt laser Facility by KEY, M. H, CAMPBELL, E. M, PENNINGTON, D. M, PERRY, M. D, PHILLIPS, T. J, SANGSTER, T. C, SINGH, M. S, SNAVELY, R. A, STOYER, M. A, TSUKAMOTO, M, WHARTON, K. B, WILKS, S. C, COWAN, T. E, HATCHETT, S. P, HENRY, E. A, KOCH, J. A, LANGDON, A. B, LASINSKI, B. F, MACKINNON, A, OFFENBERGER, A. A

“…A model of energy gain induced by fast ignition of thermonuclear burn in compressed deuterium-tritium fuel, is used to show the potential for 300× gain with a…”
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Profile Modification and Hot-Electron Temperature from Resonant Absorption at Modest Intensity by Albritton, J. R., Langdon, A. B.

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Observation of laser-induced anisotropy in ion acoustic waves in a plasma by BERNARD, J. E, BALDIS, H. A, VILLENEUVE, D. M, LANGDON, A. B

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Filamentation and Subsequent Decay of Laser Light in Plasmas by Langdon, A. Bruce, Lasinski, Barbara F.

“…It has been predicted that an intense light beam in a plasma will break up into a number of self-focused filaments. It is shown that as a result of…”
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